Power plants in Clay County, Iowa
3 operating power plants in Clay County, Iowa, with 442 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
3
Nameplate capacity
442 MW
Net generation, 2025
1.09 TWh
2 of 3 plants reported
Largest power plants in Clay County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Upland PrairieWind | 299 | 1,085 | 41.4% |
| 2 | Earl F WisdomNatural gas | 119 | – | – |
| 3 | Spencer Gas TurbineOil | 24 | 0.1 | 0.0% |
MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
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